aosp12/external/rust/crates/futures/tests/select_ok.rs

43 lines
778 B
Rust

#[test]
fn ignore_err() {
use futures::executor::block_on;
use futures::future::{err, ok, select_ok};
let v = vec![
err(1),
err(2),
ok(3),
ok(4),
];
let (i, v) = block_on(select_ok(v)).ok().unwrap();
assert_eq!(i, 3);
assert_eq!(v.len(), 1);
let (i, v) = block_on(select_ok(v)).ok().unwrap();
assert_eq!(i, 4);
assert!(v.is_empty());
}
#[test]
fn last_err() {
use futures::executor::block_on;
use futures::future::{err, ok, select_ok};
let v = vec![
ok(1),
err(2),
err(3),
];
let (i, v) = block_on(select_ok(v)).ok().unwrap();
assert_eq!(i, 1);
assert_eq!(v.len(), 2);
let i = block_on(select_ok(v)).err().unwrap();
assert_eq!(i, 3);
}